4465136818 has 4 divisors (see below), whose sum is σ = 6697705230. Its totient is φ = 2232568408.

The previous prime is 4465136777. The next prime is 4465136827. The reversal of 4465136818 is 8186315644.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3197563209 + 1267573609 = 56547^2 + 35603^2 .

It is a super-3 number, since 3×4465136818³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116284203 + ... + 1116284206.

Almost surely, 2^4465136818 is an apocalyptic number.

4465136818 is a deficient number, since it is larger than the sum of its proper divisors (2232568412).

4465136818 is a wasteful number, since it uses less digits than its factorization.

4465136818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232568411.

The product of its digits is 552960, while the sum is 46.

The square root of 4465136818 is about 66821.6792515722. The cubic root of 4465136818 is about 1646.6890222906.

The spelling of 4465136818 in words is "four billion, four hundred sixty-five million, one hundred thirty-six thousand, eight hundred eighteen".